Electrovaya Inc. (NASDAQ:ELVA) is one of the most promising small-cap industrial stocks under $50. On December 18, Oppenheimer analyst Colin Rusch initiated coverage of Electrovaya Inc. (NASDAQ:ELVA). The analyst assigned a bullish rating to the stock with a price target of$14, which gives an upside of almost 87% from the current level. science photo/Shutterstock.com Rusch based his outperform rating on the market position of Electrovaya Inc. (NASDAQ:ELVA). As a leading platform for battery technologi ...